n.马唐，指草(多为杂草，难以根除)

Crabgrass is a common weed that often invades lawns during the summer months.
翻译： Crabgrass是一种常见的杂草，常在夏季侵入草坪。
To prevent crabgrass from taking over, apply a pre-emergent herbicide in early spring.
翻译：为了防止 Crabgrass 蔓延，早在春季就要施用除草剂。
The gardener spent hours manually pulling out crabgrass from the flower beds.
翻译：园丁花了几个小时手动清除花坛中的 Crabgrass。
Crabgrass can be identified by its broad, flat leaves and rapid growth rate.
翻译：Crabgrass 可通过其宽大、扁平的叶子和快速的生长速度来识别。
A healthy, thick lawn is the best natural defense against invasive species like crabgrass.
翻译：健康、茂密的草坪是对抗 Crabgrass 等入侵物种最好的自然防御。
The homeowner used a special fertilizer blend to discourage crabgrass from growing.
翻译：房主使用了一种特殊的肥料混合物来阻止 Crabgrass 生长。
After a particularly rainy season, crabgrass seemed to sprout up everywhere.
翻译：在一个特别多雨的季节之后，Crabgrass 似乎到处都冒了出来。
The landscaper recommended overseeding in the fall to crowd out potential crabgrass growth.
翻译：景观设计师建议在秋季进行过度播种，以排挤潜在的 Crabgrass 生长空间。
Despite efforts to control it, crabgrass still found its way into the vegetable garden.
翻译：尽管努力控制，Crabgrass 还是找到了进入菜园的途径。
A combination of proper mowing height and adequate soil moisture helps keep crabgrass at bay.
翻译：适当的修剪高度和充足的土壤湿度相结合有助于控制 Crabgrass。